Edexcel IGCSE Maths復習筆記 1.5.2 Surds - Rationalising Denominators What is a surd? A surd is the square root of a non-square integer How do we rationalise the denominator of a surd? Worked Exampl...
Surface Area to Volume Ratio Surface area?and?volume?are both very important factors in the?exchange of materials?in organisms The surface area refers to the?total area of the organism that is expo...
本周新課題匯總 1聲音共振可視化的克拉尼圖形研究 2應用多主體模型進行新冠病毒傳播和治理機制研究 3以動力學視角進行巴雷特法則的多主體模擬研究 4納米技術濾水器 5在華外國人印象建構的話語分析 6基于深度學習...
Edexcel IGCSE Maths復習筆記 1.5.1 Surds - Basics What is a surd? A surd is the square root of a non-square integer What can we do with surds? 1. Multiplying surds?– you can multiply numbers under s...
Vaccines A?vaccine?is a suspension of?antigens?that are intentionally put into the body to induce?artificial active immunity. A specific immune response where?antibodies?are released by?plasma cell...
Cell Recognition Our bodies have?several defence mechanisms?against?pathogens. These include: Preventing?the?entry?of pathogens by a variety of?physical?and?chemical?defences, such as the skin, muc...
The Fluid Mosaic Model of Membranes Membranes are vital structures found in all cells The cell surface membrane creates an enclosed space separating the internal cell environment from the external ...
Edexcel IGCSE Maths復習筆記 1.4.2 Roots & Indices - Harder What are indices? An Index (plural = indices) is just a power that a number (called the base) is raised to: Laws of indices – what you...
Interphase Within multicellular organisms,?not all cells retain the ability to divide Eukaryotic cells that do retain the ability to divide show a cell cycle Mitosis?is part of a?precisely controll...
